Detwiler Hydraulic Jackplate ?

This topic has 9 replies, 6 voices, and was last updated 15 years ago by Bass Cat Boats.

Viewing 10 posts - 1 through 10 (of 10 total)

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May 26, 2011 at 2:42 pm #302664

SHOCat
Participant

Just curious what is the recommended position when trailering. All the way up, all the way down, or in the middle.Thanks,Jay

May 26, 2011 at 6:41 pm #302665

Shap from La
Participant

Im not sure what the advantage is but most people I know with a hydraulic trailer with it all the way up. I cant figure out how that would be beneficial but thats what most do. Maybe someone here with a little more knowledge on the subject will teach us both something. Bass Cat or Phil Addisson would be the experts on this I think. I personally trailer mine with the jackplate in whatever position it happens to be in at the end of the day and have no issues. Chris CoupelPaulina, La.Chris CoupelPaulina, La.

May 26, 2011 at 8:48 pm #302666

gchagler
Participant

I dont see where it would matter as long as your skeg is high enough that it wont hit ground.

May 26, 2011 at 10:48 pm #302667

PhilAddison
Participant

zero pressure on the system in the all the way up position. all the way up also increases ground clearance.

May 27, 2011 at 2:40 am #302668

Bass Cat Boats
Keymaster

Thank you for the responses!

May 27, 2011 at 3:52 am #302669

Bass Cat Boats
Keymaster

On the present new style Detwiler jack plate all the way up is fine. This now has the 125 Mercury trim system powering it and is very reliable. HOWEVER! On the old Detwiler Jack plate with four stem bolts around the ram cylinder, you should not take it all the way up as last bit stretches the stem bolts and the loosens them. Once they loosen the bolts allow the end caps to move away from the seated cylinder and the sealed o-ring drifts out of the cylinder. This allows it to blow out and loose hydraulic fluid. If you have the older system then you may want to remove the plate and replace the 1/4″ stem bolts with the largest you can make and fit the nuts on. If you just want a quick fix tighten the stem bolts continuously. Though at some point the plate will fail if it the older style.BCB

May 27, 2011 at 3:37 pm #302670

SHOCat
Participant

I have seen post in regards to the cylinders leaking and jackplate position while trailering, and was wanting to make sure I wasnt going to damage the plate or and of its components . I assume I have the new style being it is a 2010 boat. Thanks again BCB, Phil, gchagler, and Shap for the help!

May 27, 2011 at 5:46 pm #302671

billius
Participant

I have a Bobs plate. I tow with mine in the position that I use when operating the boat. I figure that way, if, for some reason, the plate would fail to work when I got to the lake, I could still operate the boat.

May 29, 2011 at 2:46 pm #302672

Bass Cat Boats
Keymaster

Bass Cat Boats wrote: On the present new style Detwiler jack plate all the way up is fine. This now has the 125 Mercury trim system powering it and is very reliable. HOWEVER! On the old Detwiler Jack plate with four stem bolts around the ram cylinder, you should not take it all the way up as last bit stretches the stem bolts and the loosens them. Once they loosen the bolts allow the end caps to move away from the seated cylinder and the sealed o-ring drifts out of the cylinder. This allows it to blow out and loose hydraulic fluid. If you have the older system then you may want to remove the plate and replace the 1/4″ stem bolts with the largest you can make and fit the nuts on. If you just want a quick fix tighten the stem bolts continuously. Though at some point the plate will fail if it the older style.BCBDont even want to talk about the old one. Thanks to Phil I will have that problem fixed I hope by next week

May 29, 2011 at 2:49 pm #302673

Bass Cat Boats
Keymaster

Grant2,Those larger stem bolts will let you recompress those outside bars and it can be repaired, though dont take it all the way up our you will stretch the stem bolts. Outside of removing the engine, this is a do it your self task other than having the larger stem bolts fabricated.
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